/* $OpenBSD: if_xl_cardbus.c,v 1.28 2013/08/07 01:06:27 bluhm Exp $ */ /* $NetBSD: if_xl_cardbus.c,v 1.13 2000/03/07 00:32:52 mycroft Exp $ */ /* * CardBus specific routines for 3Com 3C575-family CardBus ethernet adapter * * Copyright (c) 1998 and 1999 * HAYAKAWA Koichi. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY HAYAKAWA KOICHI ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL TAKESHI OHASHI OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * */ #include "bpfilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #include #include #endif #include #include #include #include #include #include #include #if defined XL_DEBUG #define DPRINTF(a) printf a #else #define DPRINTF(a) #endif #define CARDBUS_3C575BTX_FUNCSTAT_PCIREG CARDBUS_BASE2_REG /* means 0x18 */ int xl_cardbus_match(struct device *, void *, void *); void xl_cardbus_attach(struct device *, struct device *,void *); int xl_cardbus_detach(struct device *, int); void xl_cardbus_intr_ack(struct xl_softc *); #define XL_CARDBUS_BOOMERANG 0x0001 #define XL_CARDBUS_CYCLONE 0x0002 #define XL_CARDBUS_INTR 0x0004 #define XL_CARDBUS_INTR_ACK 0x8000 struct xl_cardbus_softc { struct xl_softc sc_softc; cardbus_devfunc_t sc_ct; int sc_intrline; u_int8_t sc_cardbus_flags; u_int8_t sc_cardtype; /* CardBus function status space. 575B requests it. */ bus_space_tag_t sc_funct; bus_space_handle_t sc_funch; bus_size_t sc_funcsize; bus_size_t sc_mapsize; /* size of mapped bus space region */ }; struct cfattach xl_cardbus_ca = { sizeof(struct xl_cardbus_softc), xl_cardbus_match, xl_cardbus_attach, xl_cardbus_detach }; const struct xl_cardbus_product { u_int32_t ecp_prodid; /* CardBus product ID */ int ecp_flags; /* initial softc flags */ pcireg_t ecp_csr; /* PCI CSR flags */ int ecp_cardtype; /* card type */ } xl_cardbus_products[] = { { PCI_PRODUCT_3COM_3C575, XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM, PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE, XL_CARDBUS_BOOMERANG }, { PCI_PRODUCT_3COM_3CCFE575BT, XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM | XL_FLAG_INVERT_LED_PWR, PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE, XL_CARDBUS_CYCLONE }, { PCI_PRODUCT_3COM_3CCFE575CT, XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM | XL_FLAG_INVERT_MII_PWR, PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE, XL_CARDBUS_CYCLONE }, { PCI_PRODUCT_3COM_3CCFEM656, XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM | XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR, PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE, XL_CARDBUS_CYCLONE }, { PCI_PRODUCT_3COM_3CCFEM656B, XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM | XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR, PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE, XL_CARDBUS_CYCLONE }, { PCI_PRODUCT_3COM_3CCFEM656C, XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM | XL_FLAG_INVERT_MII_PWR, PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE, XL_CARDBUS_CYCLONE }, { 0, 0, 0, 0 }, }; const struct xl_cardbus_product *xl_cardbus_lookup(const struct cardbus_attach_args *); const struct xl_cardbus_product * xl_cardbus_lookup(const struct cardbus_attach_args *ca) { const struct xl_cardbus_product *ecp; if (PCI_VENDOR(ca->ca_id) != PCI_VENDOR_3COM) return (NULL); for (ecp = xl_cardbus_products; ecp->ecp_prodid != 0; ecp++) if (PCI_PRODUCT(ca->ca_id) == ecp->ecp_prodid) return (ecp); return (NULL); } int xl_cardbus_match(struct device *parent, void *match, void *aux) { struct cardbus_attach_args *ca = aux; if (xl_cardbus_lookup(ca) != NULL) return (1); return (0); } void xl_cardbus_attach(struct device *parent, struct device *self, void *aux) { struct xl_cardbus_softc *csc = (void *)self; struct xl_softc *sc = &csc->sc_softc; struct cardbus_attach_args *ca = aux; cardbus_devfunc_t ct = ca->ca_ct; cardbus_chipset_tag_t cc = ct->ct_cc; cardbus_function_tag_t cf = ct->ct_cf; pcireg_t command, bhlc; const struct xl_cardbus_product *ecp; bus_space_handle_t ioh; bus_addr_t adr; if (Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG, PCI_MAPREG_TYPE_IO, 0, &sc->xl_btag, &ioh, &adr, &csc->sc_mapsize)) { printf(": can't map i/o space\n"); return; } ecp = xl_cardbus_lookup(ca); if (ecp == NULL) { printf("\n"); panic("xl_cardbus_attach: impossible"); } sc->xl_flags = ecp->ecp_flags; sc->sc_dmat = ca->ca_dmat; sc->xl_bhandle = ioh; (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE); command = pci_conf_read(ca->ca_pc, ca->ca_tag, PCI_COMMAND_STATUS_REG); command |= ecp->ecp_csr; csc->sc_cardtype = ecp->ecp_cardtype; if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) { /* map CardBus function status window */ if (Cardbus_mapreg_map(ct, CARDBUS_BASE2_REG, PCI_MAPREG_TYPE_MEM, 0, &csc->sc_funct, &csc->sc_funch, 0, &csc->sc_funcsize)) { printf("%s: unable to map function status window\n", self->dv_xname); return; } /* * Make sure CardBus bridge can access memory space. Usually * memory access is enabled by BIOS, but some BIOSes do not * enable it. */ (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); } (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); pci_conf_write(ca->ca_pc, ca->ca_tag, PCI_COMMAND_STATUS_REG, command); /* * set latency timer */ bhlc = pci_conf_read(ca->ca_pc, ca->ca_tag, PCI_BHLC_REG); if (PCI_LATTIMER(bhlc) < 0x20) { /* at least the value of latency timer should 0x20. */ DPRINTF(("if_xl_cardbus: lattimer 0x%x -> 0x20\n", PCI_LATTIMER(bhlc))); bhlc &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); bhlc |= (0x20 << PCI_LATTIMER_SHIFT); pci_conf_write(ca->ca_pc, ca->ca_tag, PCI_BHLC_REG, bhlc); } csc->sc_ct = ca->ca_ct; csc->sc_intrline = ca->ca_intrline; /* Map and establish the interrupt. */ sc->xl_intrhand = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_NET, xl_intr, csc, self->dv_xname); if (sc->xl_intrhand == NULL) { printf(": couldn't establish interrupt"); printf(" at %d", ca->ca_intrline); printf("\n"); return; } printf(": irq %d", ca->ca_intrline); sc->intr_ack = xl_cardbus_intr_ack; xl_attach(sc); if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) bus_space_write_4(csc->sc_funct, csc->sc_funch, XL_CARDBUS_INTR, XL_CARDBUS_INTR_ACK); } int xl_cardbus_detach(struct device *self, int arg) { struct xl_cardbus_softc *csc = (void *)self; struct xl_softc *sc = &csc->sc_softc; struct cardbus_devfunc *ct = csc->sc_ct; cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->xl_intrhand); xl_detach(sc); if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) Cardbus_mapreg_unmap(ct, CARDBUS_BASE2_REG, csc->sc_funct, csc->sc_funch, csc->sc_funcsize); Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->xl_btag, sc->xl_bhandle, csc->sc_mapsize); return (0); } void xl_cardbus_intr_ack(struct xl_softc *sc) { struct xl_cardbus_softc *csc = (struct xl_cardbus_softc *)sc; bus_space_write_4(csc->sc_funct, csc->sc_funch, XL_CARDBUS_INTR, XL_CARDBUS_INTR_ACK); }